tahoe-lafs dependencies

src/freedombone-app-tahoelafs

     function_check set_repo_commit
     set_repo_commit /home/tahoelafs/tahoelafs "tahoelafs commit" "$TAHOELAFS_COMMIT" $TAHOELAFS_REPO
     cd /home/tahoelafs/tahoelafs
+    git submodule update --init --recursive
     virtualenv venv
     venv/bin/pip install --editable .
     chown -R tahoelafs:tahoelafs /home/tahoelafs
         return
     fi
 
-    apt-get -yq install build-essential python-pip python-dev libffi-dev libssl-dev python-virtualenv
+    apt-get -yq install build-essential python-pip python-dev libffi-dev libssl-dev
+    apt-get -yq install libcrypto++-dev python-virtualenv
 
     # create a user to run the introducer
     if [ ! -d /home/tahoelafs ]; then
     git_clone $TAHOELAFS_REPO /home/tahoelafs/tahoelafs
     cd /home/tahoelafs/tahoelafs
     git checkout $TAHOELAFS_COMMIT -b $TAHOELAFS_COMMIT
+    git submodule update --init --recursive
     virtualenv venv
+    venv/bin/pip install six packaging appdirs pycrypto==2.1.0
     venv/bin/pip install --editable .
     configure_firewall_for_tahoelafs